Home / 253,182.08-379,777.44-208,634.24

Finding the Fourth Proportional to 253,182.08, 379,777.44 and 208,634.24

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Solution

The fourth proportional to 253,182.08, 379,777.44 and 208,634.24 is: 312,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,182.08 : 379,777.44 = 208,634.24 : x
  2. Step 2: Convert to fraction form
    253,182.08/379,777.44 = 208,634.24/x
  3. Step 3: Cross multiply
    253,182.08x = 379,777.44 × 208,634.24
  4. Step 4: Simplify right side
    253,182.08x = 79,234,577,563.55
  5. Step 5: Solve for x
    x = 79,234,577,563.55/253,182.08
  6. Step 6: Final answer
    x = 312,954.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.